Vulnerability CVE-2008-3843 - CERT Civis.Net

Vulnerability Name:

CVE-2008-3843 (CCN-44743)

Assigned:

2008-08-21

Published:

2008-08-21

Updated:

2018-10-30

Summary:

Request Validation (aka the ValidateRequest filters) in ASP.NET in Microsoft .NET Framework with the MS07-040 update does not properly detect dangerous client input, which allows remote attackers to conduct cross-site scripting (XSS) attacks, as demonstrated by a query string containing a "<~/" (less-than tilde slash) sequence followed by a crafted STYLE element.

CVSS v3 Severity:

5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): Low Availibility (A): None

CVSS v2 Severity:

4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
3.7 Low (Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N/E:POC/RL:U/RC:UR)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

4.3 Medium (CCN CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
3.7 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N/E:POC/RL:U/RC:UR)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

Vulnerability Type:

Vulnerability Consequences:

Bypass Security

References:

Source: MITRE
Type: CNA
CVE-2008-3843

Source: SREASON
Type: UNKNOWN
4193

Source: CCN
Type: Microsoft ASP.NET Web site
The Official Microsoft ASP.NET Site

Source: CCN
Type: OSVDB ID: 49385
Microsoft ASP.NET Request Validation <~/ Crafted STYLE Element XSS

Source: CCN
Type: ProCheckUp Web site
Bypassing ASP .NET ValidateRequest for Script Injection Attacks

Source: MISC
Type: UNKNOWN
http://www.procheckup.com/PDFs/bypassing-dot-NET-ValidateRequest.pdf

Source: CCN
Type: ProCheckUp: PR08-20
Microsoft ASP.NET ValidateRequest filters can be bypassed allowing XSS and HTML injection attacks

Source: MISC
Type: UNKNOWN
http://www.procheckup.com/Vulnerability_PR08-20.php

Source: BUGTRAQ
Type: UNKNOWN
20080821 PR08-20: Bypassing ASP .NET "ValidateRequest" for Script Injection Attacks

Source: BUGTRAQ
Type: UNKNOWN
20080908 Re: [WEB SECURITY] PR08-20: Bypassing ASP .NET "ValidateRequest" for Script Injection Attacks

Source: XF
Type: UNKNOWN
aspnet-validaterequest-style-bypass(44743)

Source: XF
Type: UNKNOWN
asp-validaterequestfilter-xss(44743)

Vulnerable Configuration:

Configuration 1:

cpe:/o:microsoft:windows-nt:2003:gold:server_x64:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:2003:sp1:server:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:2003:sp1:server_itanium:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:2003:sp2:server:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:2003:sp2:server_itanium:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:2003:sp2:server_x64:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:2008:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:xp:gold:media_center_2005:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:xp:gold:tablet_pc_2005:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:xp:gold:x64:*:*:*:*:*

OR cpe:/o:microsoft:windows_xp:-:sp3:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_vista:*:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_vista:-:sp1:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_xp:*:sp2:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_xp:*:sp2:x64:*:*:*:*:*

AND

cpe:/a:microsoft:.net_framework:1.0:sp3:*:*:*:*:*:*

Configuration 2:

cpe:/o:microsoft:windows-nt:2003:gold:server_x64:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:2003:sp1:server:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:2003:sp1:server_itanium:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:2003:sp2:server:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:2003:sp2:server_itanium:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:2003:sp2:server_x64:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:2008:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:2008:*:itanium:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:2008:*:x64:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:vista:sp1:x64:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:xp:gold:x64:*:*:*:*:*

OR cpe:/o:microsoft:windows_xp:-:sp3:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_vista:*:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_vista:*:gold:x64:*:*:*:*:*

OR cpe:/o:microsoft:windows_vista:-:sp1:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_xp:*:sp2:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_xp:*:sp2:x64:*:*:*:*:*

AND

cpe:/a:microsoft:.net_framework:1.1:sp1:*:*:*:*:*:*

Configuration 3:

cpe:/o:microsoft:windows-nt:2003:gold:server_x64:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:2003:sp1:server:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:2003:sp1:server_itanium:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:2003:sp2:server:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:2003:sp2:server_itanium:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:2003:sp2:server_x64:*:*:*:*:*

OR cpe:/o:microsoft:windows-nt:xp:gold:x64:*:*:*:*:*

OR cpe:/o:microsoft:windows_xp:-:sp3:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_vista:*:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_vista:*:gold:x64:*:*:*:*:*

OR cpe:/o:microsoft:windows_xp:*:sp2:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_xp:*:sp2:x64:*:*:*:*:*

AND

cpe:/a:microsoft:.net_framework:2.0:-:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:microsoft:.net_framework:1.0:sp3:*:*:*:*:*:*

OR cpe:/a:microsoft:.net_framework:1.1:sp1:*:*:*:*:*:*

OR cpe:/a:microsoft:.net_framework:2.0:-:*:*:*:*:*:*

Denotes that component is vulnerable